package com.itheima.service;

import com.itheima.pojo.BusinessReport;
import com.itheima.pojo.MemberVO;
import com.itheima.pojo.SetmealVO;

import javax.servlet.http.HttpServletResponse;

public interface ReportService {
    /**
     * 会员数量统计
     * @return
     */
    MemberVO getMemberStatistics();

    /**
     * 套餐数量统计
     * @return
     */
    SetmealVO getSetmealStatistics();

    /**
     * 获取运营统计数据
     * @return
     */
    BusinessReport businessStatistics();

    /**
     * 模板下载并填充数据
     * @param response
     */
    void export(HttpServletResponse response);
}
